/*
* Copyright ( c ) 1997 , 1998 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
/* @test
@ bug 4027914
@ summary Check getParent ' s handling of root directories
*/
import java.io.File;
public class GetParent {
static void check(String path, String[] parents) throws Exception {
File f = new File(path);
String p;
System.err.print(path + ":" );
for (int i = 0 ; i < parents.length; i++) {
p = f.getParent();
System.err.print(" (" + p + ")" );
if (p == null )
throw new Exception("No parent for " + f);
if (! p.equals(parents[i]))
throw new Exception("Wrong parent for " + f
+ ": Expected " + parents[i]
+ ", got " + p);
f = new File(p);
}
if (f.getParent() != null )
throw new Exception("Too many parents for " + path);
System.err.println();
}
static void testUnix() throws Exception {
check("foo" , new String[] { });
check("./foo" , new String[] { "." });
check("foo/bar/baz" , new String[] { "foo/bar" , "foo" });
check("../../foo" , new String[] { "../.." , ".." });
check("foo//bar", new String[] { "foo" });
check("/foo/bar/baz.gorp" ,
new String[] { "/foo/bar" , "/foo" , "/" });
}
static void testWin32() throws Exception {
System.err.println("Win32" );
check("foo" , new String[] { });
check(".\\foo" , new String[] { "." });
check("foo\\bar\\baz" , new String[] { "foo\\bar" , "foo" });
check("..\\..\\foo" , new String[] { "..\\.." , ".." });
check("c:\\foo\\bar\\baz.xxx" ,
new String[] { "c:\\foo\\bar" , "c:\\foo" , "c:\\" });
}
public static void main(String[] args) throws Exception {
if (File.separatorChar == '/' ) testUnix();
if (File.separatorChar == '\\' ) testWin32();
}
}
Messung V0.5 in Prozent C=95 H=92 G=93
¤ Dauer der Verarbeitung: 0.17 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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